CN210362298U - Impeller injection molding core-pulling mechanism - Google Patents
Impeller injection molding core-pulling mechanism Download PDFInfo
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- CN210362298U CN210362298U CN201921095708.4U CN201921095708U CN210362298U CN 210362298 U CN210362298 U CN 210362298U CN 201921095708 U CN201921095708 U CN 201921095708U CN 210362298 U CN210362298 U CN 210362298U
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Abstract
The utility model relates to an impeller mechanism of loosing core of moulding plastics. The number of the sliding blocks is a multiple of three, and each three sliding blocks form a group of sliding block groups along the circumferential extension direction in sequence, and each sliding block group is provided with a group of core-pulling assemblies; each core pulling assembly comprises a first slider seat, a second slider seat, a third slider seat, a driving device arranged on the die carrier, an arc-shaped traction assembly arranged on the second slider seat and respectively connected with the first slider seat and the third slider seat, a first guiding device arranged on the die carrier and used for guiding the sliding direction of the first slider seat, and a second guiding device arranged on the die carrier and used for guiding the sliding direction of the third slider seat. The utility model discloses fall into several sliding block set, every sliding block set of group pulls the subassembly through a drive arrangement and arc and drives three adjacent slider of the same group together to carry out the side direction and loose core, has reduced drive arrangement's quantity for the volume of whole mechanism diminishes, has reduced manufacturing cost.
Description
Technical Field
The utility model relates to an injection moulding device field is a mechanism of loosing core of moulding plastics of impeller very much.
Background
The impeller comprises an impeller body and a plurality of blades which are sequentially distributed on the side wall of the impeller body at intervals along the same circumferential direction, the impeller body is usually a cylindrical or similar cylindrical rotating part, and the blades can be inclined or parallel or arranged in a certain radian relative to the axis of the impeller body. The impeller injection molding device generally comprises a mold frame and a plurality of slide blocks which are arranged on the mold frame and distributed on different circumferential positions in the same circumferential direction and are used for enclosing a lateral injection molding cavity forming the impeller together; and adjacent surfaces of two adjacent sliding blocks are spliced to form a blade injection molding cavity for pouring a complete blade. After the impeller is poured, the sliding blocks need to move outwards along the radial direction of the impeller to achieve core-pulling and demolding, and in the prior art, each sliding block is provided with an independent oil cylinder or air cylinder for driving the sliding block to perform demolding, so that the mold is complex in overall structure, very large in size and high in manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the impeller injection molding core-pulling mechanism overcomes the defects, the sliding blocks are divided into a plurality of sliding block groups, each sliding block group drives three adjacent sliding blocks in the same group to laterally pull the core together through one driving device and an arc-shaped traction assembly, the number of the driving devices is reduced, the size of the whole mechanism is reduced, and the manufacturing cost is reduced.
The utility model discloses a following technical scheme realizes: an impeller injection molding core-pulling mechanism comprises an impeller body and a plurality of blades sequentially distributed on the side wall of the impeller body at intervals along the same circumferential direction, wherein the impeller injection molding core-pulling mechanism comprises a mold base and a plurality of sliding blocks which are arranged on the mold base and distributed on different circumferential positions in the same circumferential direction and used for commonly enclosing a lateral injection molding cavity forming the impeller; the adjacent surfaces of two adjacent sliding blocks are spliced to form a blade injection molding cavity for pouring a complete blade;
the method is characterized in that: the number of the sliding blocks is multiple of three, every three sliding blocks in sequence form a group of sliding block groups along the circumferential extension direction, the sliding blocks of the same sliding block group are respectively a first sliding block, a second sliding block and a third sliding block in sequence along the circumferential extension direction, and each sliding block group is provided with a group of core pulling assemblies for driving the three sliding blocks in the sliding block group to synchronously perform lateral core pulling;
each core pulling component comprises a first slide block seat which is arranged at the radial outer side of the first slide block and is fixedly connected with the first slide block, a second slide block seat which is arranged at the radial outer side of the second slide block and is fixedly connected with the second slide block, a third slide block seat which is arranged at the radial outer side of the third slide block and is fixedly connected with the third slide block, and a driving device which is arranged on the die carrier and is used for driving the second slide block seat to slide along the radial direction taking the center of the impeller as the center, the arc-shaped traction assembly is arranged on the second sliding block seat and is respectively connected with the first sliding block seat and the third sliding block seat, and is used for driving the first sliding block seat and the third sliding block seat to slide along the radial direction of the center of the impeller relative to each other while the second sliding block seat slides, the first guiding device arranged on the die carrier and used for guiding the sliding direction of the first sliding block seat, and the second guiding device arranged on the die carrier and used for guiding the sliding direction of the third sliding block seat.
The working principle and the process are as follows: each sliding block group in the core pulling mechanism is provided with a group of core pulling components, one driving device in each core pulling component can drive the second sliding block seat to slide along the radial direction of the position of the second sliding block seat, so that the second sliding block is driven to be demolded, the first sliding block and the third sliding block can be driven to be demolded and core pulled through the arc-shaped traction component when the second sliding block seat moves, one driving device can drive three adjacent sliding blocks to be demolded together, the structure of the whole die is optimized, the space is saved, and the cost is saved.
Preferably, the arc-shaped traction assembly comprises an arc-shaped rod, a first arc-shaped groove arranged on the upper surface of the first slider seat, and a third arc-shaped groove arranged on the upper surface of the third slider seat, the two arc-shaped grooves are positioned in the same circumferential direction with the center of the impeller as the center, and the two arc-shaped grooves extend along the circumferential direction of the impeller and penetrate through two side walls of the slider seat where the two arc-shaped grooves are positioned; the middle part of the arc-shaped rod piece is fixedly arranged on the second sliding block seat; one end of the arc-shaped rod piece extends along the circumferential direction of the arc-shaped rod piece and extends into the first arc-shaped groove, and the width of the end in the radial direction is smaller than that of the first arc-shaped groove in the same radial direction; the other end of the arc-shaped rod piece extends along the circumferential direction where the arc-shaped rod piece is located and extends into the third arc-shaped groove, and the width of the other end in the radial direction is smaller than that of the third arc-shaped groove in the same radial direction.
Preferably, the arc traction assembly further comprises a first arc-shaped part and a second arc-shaped part, the circumferential angle of the first arc-shaped part is larger than 180 degrees and is internally tangent to two side walls of the first arc-shaped groove and is fixedly arranged on the end part of one end of the arc-shaped rod piece, which stretches into the first arc-shaped groove, and the circumferential angle of the second arc-shaped part is larger than 180 degrees and is internally tangent to two side walls of the third arc-shaped groove and is fixedly arranged on the end part of one end of the arc-shaped rod piece, which stretches into the third arc-shaped groove.
Preferably, the arc traction assembly further comprises a second arc groove which is arranged on the upper surface of the second slider seat and is positioned on the same circumferential direction with the first arc groove and the third arc groove, and the middle part of the arc rod piece is fixedly arranged in the second arc groove.
Preferably, the first guide device is a first wedge-shaped block arranged between the first slider seat and the second slider seat, a first guide surface for guiding the movement direction of the first slider seat is arranged on one side of the first wedge-shaped block close to the first slider seat, and the first slider seat is connected to the first guide surface in a guide sliding manner; the second guide device is a second wedge-shaped block arranged between the third sliding block seat and the second sliding block seat, one side, close to the third sliding block seat, of the second wedge-shaped block is provided with a second guide surface used for guiding the movement direction of the third sliding block seat, and the third sliding block seat is connected to the second guide surface in a guide sliding mode.
Preferably, the first wedge-shaped block and the second wedge-shaped block form a guide channel therebetween for guiding the sliding of the second slider seat.
Preferably, the first guiding device is a first sliding rail and sliding block mechanism arranged below the first sliding block seat, the first sliding rail and sliding block mechanism comprises a first fixed sliding rail fixedly arranged on the die carrier and a first sliding block arranged on the first fixed sliding rail in a guiding manner, the first sliding block seat is fixedly arranged on the first sliding block, and the guiding direction of the first sliding rail and sliding block mechanism is parallel to the moving direction of the first sliding block seat; the second guide device is a second slide rail and slide block mechanism arranged below the third slide block seat, the second slide rail and slide block mechanism comprises a second fixed slide rail fixedly arranged on the die carrier and a second slide block arranged on the second fixed slide rail in a guiding manner, the third slide block seat is fixedly arranged on the second slide block, and the guiding direction of the second slide rail and slide block mechanism is parallel to the movement direction of the third slide block seat.
Preferably, a T-shaped plug-in is arranged on the side wall of each sliding block close to one side of the sliding block seat, and a T-shaped sliding groove which is matched and inserted with the T-shaped plug-in is arranged on the side wall of each sliding block seat corresponding to the sliding block close to one side of the sliding block.
Preferably, the driving device is a hydraulic cylinder, and a free end of a piston rod of the hydraulic cylinder is fixedly connected to a side wall of the second slider seat on the side far away from the second slider.
In order to facilitate injection molding of the impeller, each sliding block comprises a sliding block body, a lower blade type groove matched with the lower surface of a blade to be cast at an adjacent position is formed in the side wall of one side of the circumference of the sliding block body, an upper blade type groove matched with the upper surface of another blade to be cast at an adjacent position is formed in the side wall of the other side of the circumference of the sliding block body, a cavity side wall used for being jointly spliced with other sliding blocks to form a lateral injection molding cavity of the impeller body is formed in the side wall of the sliding block body close to one side of the impeller body, and a lower blade type groove of each sliding block and an upper blade type groove of another adjacent sliding block are spliced to form.
Compared with the prior art, the utility model has the advantages that:
1. in the utility model, the second slider seat can drive the arc rod to move along the moving direction of the second slider seat while sliding along the radial direction, and in the moving process of the arc rod, one end of the arc rod is gradually drawn out from the first arc groove, and one end of the arc rod can touch the first arc groove to drive the first slider seat to slide along the guiding direction of the first guiding device, so as to drive the first slider to demould; the other end of the arc-shaped rod piece can be gradually pulled out from the third arc-shaped groove, the other end of the arc-shaped rod piece can be in contact with the third arc-shaped groove, and the third sliding block seat can be driven to slide along the guiding direction of the second guiding device, so that the third sliding block is driven to be demoulded.
2. The utility model discloses well arc pulls the subassembly and still includes circular arc piece one and convex piece two, the circumference angle of circular arc piece one is greater than 180 and inscribe in the both sides wall of first arc recess and fixed set up on the tip of one end in the arc member stretches into first arc recess, the circumference angle of circular arc piece two is greater than 180 and inscribe in the both sides wall of third arc recess and fixed set up on the tip that the arc member stretches into one end in the third arc recess, owing to be equipped with circular piece one and circular piece two, the in-process of arc member motion can drive first take-up housing and second take-up housing synchronously and carry out the drawing of patterns, and the hysteretic phenomenon can not appear.
3. The first guide device in the utility model is a first wedge block arranged between the first slider seat and the second slider seat, a first guide surface is arranged on the first wedge block, and the first slider seat is connected to the first guide surface in a guide sliding manner, so that the movement direction of the first slider seat is effectively controlled; the second guide device is a second wedge-shaped block arranged between the third sliding block seat and the second sliding block seat, a second guide surface is arranged on the second wedge-shaped block, and the third sliding block seat is connected to the second guide surface in a guiding sliding mode, so that the moving direction of the first sliding block seat is effectively controlled.
4. The utility model discloses form between well wedge piece one and the wedge piece two and be used for guiding the gliding direction passageway of second take-up housing, this direction passageway can lead to the slip direction of second take-up housing, ensures that the direction of motion of second take-up housing can not skew.
5. The utility model provides a first slide rail slider mechanism of guider for locating first take-up housing below, the direction of first slide rail slider mechanism parallels with the direction of motion of first take-up housing simultaneously to control the direction of motion of first take-up housing effectively, the slide rail slider mechanism two of guider second for locating third take-up housing below, the direction of second slide rail slider mechanism parallels with the direction of motion of third take-up housing simultaneously, thereby control the direction of motion of third take-up housing effectively.
6. The utility model discloses be equipped with T type plug-in components on the well slider body, be equipped with on the take-up housing with the T type spout of T type plug-in components looks adaptation cartridge so that slider fixed mounting is on the take-up housing.
7. The utility model discloses still have advantages such as the drawing of patterns is high-efficient, easy operation, facilitate promotion.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a top view of a set of slide blocks and a set of core pulling assemblies in the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic three-dimensional structure diagram of a set of sliding blocks and a set of core pulling assemblies (without impeller removed) in the present invention;
FIG. 5 is a schematic three-dimensional structure (impeller removed) of a set of sliding block set and a set of core pulling assembly in another view of the present invention;
fig. 6 is a schematic structural view of the impeller and the slide block in the present invention;
FIG. 7 is a schematic view of a view angle of the slider according to the present invention;
fig. 8 is a schematic mechanism view of another view angle of the slider in the present invention;
fig. 9 is a schematic view of the connection between the middle slider and the slider seat of the present invention.
Description of reference numerals: 1-mould frame, 2-impeller, 21-impeller body, 22-blade, 3-slider group, 31-first slider, 32-second slider, 33-third slider, 31 ' -slider body, 311 ' -T-shaped insert, 312 ' -T-shaped chute, 32 ' -lower blade type groove, 33 ' -upper blade type groove, 34 ' -side wall of cavity, 35 ' -blade injection mould cavity, 4-core-pulling component, 41-first slider seat, 42-second slider seat, 43-third slider seat, 44-driving device, 441-hydraulic cylinder, 45-traction component, 451-first arc-shaped groove, 452-third arc-shaped groove, 453-arc-shaped rod piece, 454-first arc-shaped piece, 455-second arc-shaped piece, 456-second arc-shaped groove, 46-guide one, 461-wedge one, 47-guide two, 471-wedge two.
Detailed Description
The invention is explained in detail below with reference to the accompanying drawings:
example one
As shown in fig. 1 to 9, an impeller injection core-pulling mechanism, an impeller 2 includes an impeller body 21 and a plurality of blades 22 sequentially distributed at intervals on a sidewall of the impeller body 21 along a same circumferential direction, and the impeller injection core-pulling mechanism includes a mold base 1 and a plurality of sliders arranged on the mold base 1 and distributed at different circumferential positions in the same circumferential direction for commonly enclosing a lateral injection mold cavity forming the impeller 2; the adjacent surfaces of two adjacent sliding blocks are spliced to form a blade injection molding cavity 35' for pouring a complete blade 22;
the method is characterized in that: the number of the sliding blocks is multiple of three, every three sliding blocks in sequence form a group of sliding block groups along the circumferential extension direction, the sliding blocks of the same sliding block group are respectively a first sliding block 31, a second sliding block 32 and a third sliding block 33 along the circumferential extension direction, and each sliding block group 3 is provided with a group of core pulling assemblies 4 for driving the three sliding blocks in the sliding block group 3 to synchronously and laterally pull cores;
each core pulling assembly 4 comprises a first slider seat 41 arranged at the radial outer side of the first slider 31 and fixedly connected with the first slider 31, a second slider seat 42 arranged at the radial outer side of the second slider 32 and fixedly connected with the second slider 32, a third slider seat 43 arranged at the radial outer side of the third slider 33 and fixedly connected with the third slider 33, a driving device 44 arranged on the mold frame 1 and used for driving the second slider seat 42 to slide along the radial direction with the center of the impeller 2 as the center, an arc traction assembly 45 arranged on the second slider seat 42 and respectively connected with the first slider seat 41 and the third slider seat 43 and used for driving the first slider seat 41 and the third slider seat 43 to slide along the radial direction respectively corresponding to the center of the impeller 2 while the second slider seat 42 slides, a guiding device 46, a guiding device and a guiding device are arranged on the mold frame 1 and used for guiding the sliding direction of the first slider seat 41, And a second guiding device 47 provided on the mold frame 1 for guiding the sliding direction of the third slider holder 43.
As shown in fig. 2 to 4, preferably, the arc pulling assembly 45 includes an arc rod 453, a first arc groove 451 provided on the upper surface of the first slider seat 41, and a third arc groove 452 provided on the upper surface of the third slider seat 43, the two arc grooves are located in the same circumferential direction with the center of the impeller 2 as the center, and both arc grooves extend along the circumferential direction of the arc rod and penetrate through both side walls of the slider seat; the middle part of the arc-shaped rod part 453 is fixedly arranged on the second slider seat 42; one end of the arc-shaped rod part 453 extends along the circumferential direction of the end and extends into the first arc-shaped groove 451, and the width of the end in the radial direction is smaller than that of the first arc-shaped groove 451 in the same radial direction; the other end of the arc rod 453 extends in the circumferential direction in which it is located and extends into the third arc groove 453, and the width of the other end in the radial direction is smaller than the width of the third arc groove 453 in the same radial direction.
As shown in fig. 4, preferably, the arc pulling assembly 45 further includes a first arc member 454 and a second arc member 455, the first arc member 454 has a circumferential angle greater than 180 ° and is inscribed in two side walls of the first arc groove 451 and is fixedly disposed on an end portion of the end of the arc member 453 extending into the first arc groove 451, and the second arc member 455 has a circumferential angle greater than 180 ° and is inscribed in two side walls of the third arc groove 452 and is fixedly disposed on an end portion of the end of the arc member 453 extending into the third arc groove 452.
As shown in fig. 2, the arc pulling assembly 45 further preferably includes a second arc groove 456 provided on the upper surface of the second slider holder 42 and located in the same circumferential direction as the first arc groove 451 and the third arc groove 452, and the middle portion of the arc link 453 is fixedly installed in the second arc groove 456.
As shown in fig. 2, preferably, the first guiding device 46 is a first wedge-shaped block 461 disposed between the first slider seat 41 and the second slider seat 42, the first wedge-shaped block 461 is provided with a first guiding surface for guiding the moving direction of the first slider seat 41 at a side close to the first slider seat 41, and the first slider seat 41 is slidably connected to the first guiding surface; the second guiding device 47 is a second wedge-shaped block 471 arranged between the third slider seat 43 and the second slider seat 42, the second wedge-shaped block 471 is provided with a second guiding surface for guiding the moving direction of the third slider seat 43 at a side close to the third slider seat 43, and the third slider seat 43 is connected to the second guiding surface in a guiding and sliding manner.
As shown in fig. 2, preferably, a guide channel for guiding the sliding of the second slider seat 42 is formed between the first wedge 461 and the second wedge 471.
As shown in fig. 9, preferably, each slider has a T-shaped insert 311 ' on a side wall near the slider seat, and each slider seat corresponding to the slider has a T-shaped sliding slot 312 ' on a side wall near the slider seat for fitting the T-shaped insert 311 '.
As shown in fig. 2 to 4, the driving device 44 is preferably a hydraulic cylinder 441, and a free end of a piston rod of the hydraulic cylinder 441 is fixedly connected to a side wall of the second slider seat 42 on a side away from the second slider 32.
As shown in fig. 6 to 8, in order to facilitate the injection molding of the impeller, each slider includes a slider body 31 ', a lower blade-type groove 32 ' is provided on a sidewall of one side of the circumference of the slider body 31 ' and is adapted to the lower surface of the blade 22 to be poured at an adjacent position, an upper blade-type groove 33 ' is provided on a sidewall of the other side of the circumference of the slider body 31 ' and is adapted to the upper surface of the other blade 22 to be poured at an adjacent position, a cavity sidewall 34 ' for jointly splicing with the other slider to form a lateral injection cavity of the impeller body 21 is provided on a sidewall of the slider body 31 ' close to one side of the impeller body 21, and the lower blade-type groove 32 ' of each slider and the upper blade-type groove 33 ' of the other adjacent slider are spliced to form a.
Example two
The difference between this embodiment and the first embodiment is: the first guiding device 46 is a first sliding rail and sliding block mechanism arranged below the first sliding block seat 41, the first sliding rail and sliding block mechanism comprises a first fixed sliding rail fixedly arranged on the die carrier 1 and a first sliding block arranged on the first fixed sliding rail in a guiding mode, the first sliding block seat 41 is fixedly arranged on the first sliding block, and the guiding direction of the first sliding rail and sliding block mechanism is parallel to the moving direction of the first sliding block seat 41; the second guiding device 47 is a second sliding rail and sliding block mechanism arranged below the third sliding block seat 43, the second sliding rail and sliding block mechanism comprises a second fixed sliding rail fixedly arranged on the die carrier 1 and a second sliding block arranged on the second fixed sliding rail in a guiding manner, the third sliding block seat 43 is fixedly arranged on the second sliding block, and the guiding direction of the second sliding rail and the moving direction of the third sliding block seat 43 are parallel.
While the present invention has been shown and described with reference to particular embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the invention. It is understood, therefore, that the invention is not to be limited, except as by the appended claims and their equivalents.
Claims (10)
1. An impeller injection molding core-pulling mechanism is characterized in that an impeller (2) comprises an impeller body (21) and a plurality of blades (22) which are sequentially distributed on the side wall of the impeller body (21) at intervals along the same circumferential direction, and the impeller injection molding core-pulling mechanism comprises a mold frame (1) and a plurality of sliding blocks which are arranged on the mold frame (1) and distributed on different circumferential positions in the same circumferential direction and are used for commonly enclosing a lateral injection molding cavity forming the impeller (2); the adjacent surfaces of two adjacent sliding blocks are spliced to form a blade injection molding cavity (35') for pouring a complete blade (22);
the method is characterized in that: the number of the sliding blocks is multiple of three, every three sliding blocks in sequence form a group of sliding block groups along the circumferential extension direction, the sliding blocks of the same sliding block group are respectively a first sliding block (31), a second sliding block (32) and a third sliding block (33) in sequence along the circumferential extension direction, and each sliding block group (3) is provided with a group of core pulling assemblies (4) for driving the three sliding blocks in the sliding block group (3) to synchronously perform lateral core pulling;
each core pulling assembly (4) comprises a first slider seat (41) which is arranged at the radial outer side of the first slider (31) and is fixedly connected with the first slider (31), a second slider seat (42) which is arranged at the radial outer side of the second slider (32) and is fixedly connected with the second slider (32), a third slider seat (43) which is arranged at the radial outer side of the third slider (33) and is fixedly connected with the third slider (33), a driving device (44) which is arranged on the die carrier (1) and is used for driving the second slider seat (42) to slide along the radial direction taking the center of the impeller (2) as the center, and an arc-shaped traction assembly (45) which is arranged on the second slider seat (42) and is respectively connected with the first slider seat (41) and the third slider seat (43) and is used for driving the first slider seat (41) and the third slider seat (43) to slide along the radial direction which is respectively opposite to the center of the impeller (2) at the same time when the second slider seat (42) slides, The sliding device comprises a first guiding device (46) which is arranged on the die carrier (1) and used for guiding the sliding direction of the first slider seat (41), and a second guiding device (47) which is arranged on the die carrier (1) and used for guiding the sliding direction of the third slider seat (43).
2. The injection molding core-pulling mechanism of the impeller according to claim 1, wherein: the arc-shaped traction assembly (45) comprises an arc-shaped rod member (453), a first arc-shaped groove (451) arranged on the upper surface of the first sliding block seat (41), and a third arc-shaped groove (452) arranged on the upper surface of the third sliding block seat (43), the two arc-shaped grooves are positioned in the same circumferential direction with the center of the impeller (2) as the center, and both the two arc-shaped grooves extend along the circumferential direction of the arc-shaped grooves and penetrate through the two side walls of the sliding block seat respectively positioned; the middle part of the arc-shaped rod piece (453) is fixedly arranged on the second sliding block seat (42); one end of the arc rod part (453) extends along the circumferential direction of the arc rod part and extends into the first arc groove (451), and the width of the end in the radial direction is smaller than that of the first arc groove (451) in the same radial direction; the other end of the arc rod part (453) extends along the circumferential direction of the arc rod part and extends into the third arc groove (452), and the width of the other end in the radial direction is smaller than that of the third arc groove (452) in the same radial direction.
3. The injection molding core-pulling mechanism of the impeller according to claim 2, characterized in that: the arc-shaped traction assembly (45) further comprises a first arc-shaped part (454) and a second arc-shaped part (455), the circumferential angle of the first arc-shaped part (454) is larger than 180 degrees, is inscribed in two side walls of the first arc-shaped groove (451) and is fixedly arranged on the end part of one end, extending into the first arc-shaped groove (451), of the arc-shaped rod part (453), and the circumferential angle of the second arc-shaped part (455) is larger than 180 degrees, is inscribed in two side walls of the third arc-shaped groove (452) and is fixedly arranged on the end part of one end, extending into the third arc-shaped groove (452), of the arc-shaped rod part (453).
4. The injection molding core-pulling mechanism of the impeller according to claim 2, characterized in that: the arc traction assembly (45) further comprises a second arc groove (456) which is arranged on the upper surface of the second slider seat (42) and is positioned in the same circumferential direction with the first arc groove (451) and the third arc groove (452), and the middle part of the arc rod member (453) is fixedly arranged in the second arc groove (456).
5. The injection molding core-pulling mechanism of the impeller according to claim 1, wherein: the first guide device (46) is a first wedge-shaped block (461) arranged between the first slider seat (41) and the second slider seat (42), one side, close to the first slider seat (41), of the first wedge-shaped block (461) is provided with a first guide surface used for guiding the movement direction of the first slider seat (41), and the first slider seat (41) is connected to the first guide surface in a guide sliding mode; and the second guiding device (47) is a second wedge block (471) arranged between the third slider seat (43) and the second slider seat (42), one side of the second wedge block (471), which is close to the third slider seat (43), is provided with a second guiding surface used for guiding the movement direction of the third slider seat (43), and the third slider seat (43) is connected to the second guiding surface in a guiding and sliding manner.
6. The injection molding core-pulling mechanism of the impeller according to claim 5, wherein: a first wedge block (461) and a second wedge block (471) form a guide channel for guiding the sliding of the second slider seat (42).
7. The injection molding core-pulling mechanism of the impeller according to claim 1, wherein: the first guide device (46) is a first slide rail and slide block mechanism arranged below the first slide block seat (41), the first slide rail and slide block mechanism comprises a first fixed slide rail fixedly arranged on the die carrier (1) and a first slide block arranged on the first fixed slide rail in a guiding mode, the first slide block seat (41) is fixedly arranged on the first slide block, and the guiding direction of the first slide rail and slide block mechanism is parallel to the moving direction of the first slide block seat (41); the second guiding device (47) is a second sliding rail and sliding block mechanism arranged below the third sliding block seat (43), the second sliding rail and sliding block mechanism comprises a second fixed sliding rail fixedly arranged on the die carrier (1) and a second sliding block arranged on the second fixed sliding rail in a guiding mode, the third sliding block seat (43) is fixedly arranged on the second sliding block, and the guiding direction of the second sliding rail and sliding block mechanism is parallel to the moving direction of the third sliding block seat (43).
8. The injection molding core-pulling mechanism of the impeller according to claim 1, wherein: and a T-shaped plug-in (311 ') is arranged on the side wall of each slide block close to one side of the slide block seat, and a T-shaped sliding groove (312 ') which is matched and inserted with the T-shaped plug-in (311 ') is arranged on the side wall of each slide block seat corresponding to the slide block close to one side of the slide block.
9. The injection molding core-pulling mechanism of the impeller according to claim 1, wherein: the driving device (44) is a hydraulic cylinder (441), and the free end of a piston rod of the hydraulic cylinder (441) is fixedly connected to the side wall of the second slide block seat (42) far away from the second slide block (32).
10. The injection molding core-pulling mechanism of the impeller according to claim 1, wherein: each sliding block comprises a sliding block body (31 '), a lower blade type groove (32 ') matched with the lower surface of a blade (22) to be poured at an adjacent position is formed in the side wall of one side of the circumference of the sliding block body (31 '), an upper blade type groove (33) matched with the upper surface of another blade (22) to be poured at an adjacent position is formed in the side wall of the other side of the circumference of the sliding block body (31 '), a cavity side wall (34 ') used for being jointly spliced with other sliding blocks to form a lateral injection molding cavity of the impeller body (21) is formed in the side wall of the sliding block body (31 '), and the lower blade type groove (32 ') of each sliding block is spliced with the upper blade type groove (33 ') of the other adjacent sliding block to form a blade injection molding cavity (35 ') for pouring one complete blade (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921095708.4U CN210362298U (en) | 2019-07-12 | 2019-07-12 | Impeller injection molding core-pulling mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921095708.4U CN210362298U (en) | 2019-07-12 | 2019-07-12 | Impeller injection molding core-pulling mechanism |
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| CN210362298U true CN210362298U (en) | 2020-04-21 |
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| CN201921095708.4U Active CN210362298U (en) | 2019-07-12 | 2019-07-12 | Impeller injection molding core-pulling mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216850A (en) * | 2019-07-12 | 2019-09-10 | 福建上润精密仪器有限公司 | Impeller is molded core-pulling mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216850A (en) * | 2019-07-12 | 2019-09-10 | 福建上润精密仪器有限公司 | Impeller is molded core-pulling mechanism |
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